Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Question
Chapter 14, Problem 2Q
To determine
The reason behind the fact that the discovery of Neptune is rated as one of the greatest triumphs of Science, and not the discoveries of Uranus and Pluto.
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What is the observed angular speed of
Neptune, along the ecliptic of Earth, when it is
at opposition, in units of arc minutes / day?
Presume the orbits are circular. Earth has
orbital speeds of 30km/s and Neptune has
5.43km/s, Neptune here has orbital radius
30.1 AU. Now looking at Uranus for the same
condition, in what direction along the ecliptic
will it be traveling?
Tutorial
Based on the orbital properties of Uranus, how far across the sky in arc seconds does it travel in one Earth
day? The average orbital radius is 2.88 x 109 km and the period is 84.0 years. (Assume Uranus and the Earth
are at the closest point to one another in their orbits.)
How many full Moons does this distance cover if the Moon has an angular diameter of 0.5 degrees?
Part 1 of 4
We first need to determine how fast the planet is moving across the sky. If we know the period and the
distance between the Sun and the planet we can calculate the velocity using:
2ar
which will tell us how many kilometers the planet travels in a day if we convert the period into days.
days
= (P
years'
|days/year
Pdays
days
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Uranus and neptune have almost similar masses. Which of them will exert the greater gravity towards the earth? Why? Explain
Chapter 14 Solutions
Universe
Ch. 14 - Prob. 1CCCh. 14 - Prob. 2CCCh. 14 - Prob. 3CCCh. 14 - Prob. 4CCCh. 14 - Prob. 5CCCh. 14 - Prob. 6CCCh. 14 - Prob. 7CCCh. 14 - Prob. 8CCCh. 14 - Prob. 9CCCh. 14 - Prob. 10CC
Ch. 14 - Prob. 11CCCh. 14 - Prob. 1QCh. 14 - Prob. 2QCh. 14 - Prob. 3QCh. 14 - Prob. 4QCh. 14 - Prob. 5QCh. 14 - Prob. 6QCh. 14 - Prob. 7QCh. 14 - Prob. 8QCh. 14 - Prob. 9QCh. 14 - Prob. 10QCh. 14 - Prob. 11QCh. 14 - Prob. 12QCh. 14 - Prob. 13QCh. 14 - Prob. 14QCh. 14 - Prob. 15QCh. 14 - Prob. 16QCh. 14 - Prob. 17QCh. 14 - Prob. 18QCh. 14 - Prob. 19QCh. 14 - Prob. 20QCh. 14 - Prob. 21QCh. 14 - Prob. 22QCh. 14 - Prob. 23QCh. 14 - Prob. 24QCh. 14 - Prob. 25QCh. 14 - Prob. 26QCh. 14 - Prob. 27QCh. 14 - Prob. 28QCh. 14 - Prob. 29QCh. 14 - Prob. 30QCh. 14 - Prob. 31QCh. 14 - Prob. 32QCh. 14 - Prob. 34QCh. 14 - Prob. 35QCh. 14 - Prob. 36QCh. 14 - Prob. 37QCh. 14 - Prob. 38QCh. 14 - Prob. 39QCh. 14 - Prob. 40QCh. 14 - Prob. 41QCh. 14 - Prob. 42QCh. 14 - Prob. 43QCh. 14 - Prob. 44QCh. 14 - Prob. 45QCh. 14 - Prob. 46QCh. 14 - Prob. 48QCh. 14 - Prob. 49QCh. 14 - Prob. 50QCh. 14 - Prob. 51QCh. 14 - Prob. 52QCh. 14 - Prob. 53QCh. 14 - Prob. 54QCh. 14 - Prob. 55QCh. 14 - Prob. 56QCh. 14 - Prob. 57QCh. 14 - Prob. 58QCh. 14 - Prob. 59Q
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Why is Pluto not considered a major planet, and what other peculiarity distinguishes it from the major planets?arrow_forwardWhy do we say that Neptune was the first planet to be discovered through the use of mathematics?arrow_forwardDoes Uranus have enough mass to have formed by gravitational collapse? How do you know?arrow_forward
- Prominent on photos of Jupiter, is a large, reddish oval feature, named the Great Red Spot. How could this major feature be utilized to determine the rotation period of the planet?arrow_forwardI would like you to compare the size of some of the largest moons of the solar system to their host planets. Using diameters of 12,700 km, and 140,000 km, 116,000 km for Earth, Jupiter, and Saturn respectively, please provide the ratios of the following moons to their host planets (you can use Table 12.1 from the book to get the diameters of the moons): Luna (Earth's moon), Io, Callisto, Ganymede, Europa, and Titan. After collecting those ratios, please tell me one thing that you notice that stands out about those results.arrow_forwardwhy pluto was once thought to be a planet but is no longer considered as one?arrow_forward
- Estimate the length of period of Neptune assuming that the length of the semimajor axis of the ellipse is a = 449.51 x 101º m. For Earth, a = 15.0 × 1010 m. (Use decimal notation. Give your answer to two decimal places.)arrow_forwardThe Great Red Patch is the term given to the enormous red area on Jupiter's surface. Are there any predictions on how long it will take the planet to complete its rotation?arrow_forwardSaturn’s A, B, and C Rings extend 75,000 to 137,000 km from the center of the planet. Use Kepler’s third law to calculate the difference between how long a particle at the inner edge and a particle at the outer edge of the three-ring system would take to revolve about the planet. Enter the value you get from the ratio of the period of the inner edge to the outer edge of the rings.arrow_forward
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